2 * Copyright (C) 2010-2011 Robert Ancell.
3 * Author: Robert Ancell <robert.ancell@canonical.com>
5 * This program is free software: you can redistribute it and/or modify it under
6 * the terms of the GNU General Public License as published by the Free Software
7 * Foundation, either version 3 of the License, or (at your option) any later
8 * version. See http://www.gnu.org/copyleft/gpl.html the full text of the
17 #include "configuration.h"
21 /* Host running the server */
27 /* Cached server address */
31 XAuthority *authority;
33 /* Connection to this X server */
34 xcb_connection_t *connection;
37 G_DEFINE_TYPE (XServer, x_server, DISPLAY_SERVER_TYPE);
40 x_server_set_hostname (XServer *server, const gchar *hostname)
42 g_return_if_fail (server != NULL);
43 g_free (server->priv->hostname);
44 server->priv->hostname = g_strdup (hostname);
45 g_free (server->priv->address);
46 server->priv->address = NULL;
50 x_server_get_hostname (XServer *server)
52 g_return_val_if_fail (server != NULL, NULL);
53 return server->priv->hostname;
57 x_server_set_display_number (XServer *server, guint number)
59 g_return_if_fail (server != NULL);
60 server->priv->number = number;
61 g_free (server->priv->address);
62 server->priv->address = NULL;
66 x_server_get_display_number (XServer *server)
68 g_return_val_if_fail (server != NULL, 0);
69 return server->priv->number;
73 x_server_get_address (XServer *server)
75 g_return_val_if_fail (server != NULL, NULL);
77 if (!server->priv->address)
79 if (server->priv->hostname)
80 server->priv->address = g_strdup_printf("%s:%d", server->priv->hostname, server->priv->number);
82 server->priv->address = g_strdup_printf(":%d", server->priv->number);
85 return server->priv->address;
89 x_server_set_authority (XServer *server, XAuthority *authority)
91 g_return_if_fail (server != NULL);
93 g_clear_object (&server->priv->authority);
95 server->priv->authority = g_object_ref (authority);
99 x_server_get_authority (XServer *server)
101 g_return_val_if_fail (server != NULL, NULL);
102 return server->priv->authority;
106 x_server_get_session_type (DisplayServer *server)
112 x_server_get_can_share (DisplayServer *server)
118 x_server_start (DisplayServer *display_server)
120 XServer *server = X_SERVER (display_server);
121 xcb_auth_info_t *auth = NULL, a;
123 if (server->priv->authority)
125 a.namelen = strlen (x_authority_get_authorization_name (server->priv->authority));
126 a.name = (char *) x_authority_get_authorization_name (server->priv->authority);
127 a.datalen = x_authority_get_authorization_data_length (server->priv->authority);
128 a.data = (char *) x_authority_get_authorization_data (server->priv->authority);
132 /* Open connection */
133 l_debug (server, "Connecting to XServer %s", x_server_get_address (server));
134 server->priv->connection = xcb_connect_to_display_with_auth_info (x_server_get_address (server), auth, NULL);
135 if (xcb_connection_has_error (server->priv->connection))
137 l_debug (server, "Error connecting to XServer %s", x_server_get_address (server));
141 return DISPLAY_SERVER_CLASS (x_server_parent_class)->start (display_server);
145 x_server_connect_session (DisplayServer *display_server, Session *session)
149 session_set_env (session, "XDG_SESSION_TYPE", "x11");
151 display_server = session_get_display_server (session);
153 vt = display_server_get_vt (display_server);
158 t = g_strdup_printf ("/dev/tty%d", vt);
159 session_set_tty (session, t);
162 t = g_strdup_printf ("%d", vt);
163 session_set_env (session, "XDG_VTNR", t);
167 l_debug (session, "Not setting XDG_VTNR");
169 session_set_env (session, "DISPLAY", x_server_get_address (X_SERVER (display_server)));
170 session_set_xdisplay (session, x_server_get_address (X_SERVER (display_server)));
171 session_set_remote_host_name (session, x_server_get_hostname (X_SERVER (display_server)));
172 session_set_x_authority (session,
173 x_server_get_authority (X_SERVER (display_server)),
174 config_get_boolean (config_get_instance (), "LightDM", "user-authority-in-system-dir"));
178 x_server_disconnect_session (DisplayServer *display_server, Session *session)
182 session_unset_env (session, "XDG_SESSION_TYPE");
183 vt = display_server_get_vt (display_server);
186 session_set_tty (session, NULL);
187 session_unset_env (session, "XDG_VTNR");
189 session_unset_env (session, "DISPLAY");
190 session_set_xdisplay (session, NULL);
191 session_set_remote_host_name (session, NULL);
192 session_set_x_authority (session, NULL, FALSE);
196 x_server_init (XServer *server)
198 server->priv = G_TYPE_INSTANCE_GET_PRIVATE (server, X_SERVER_TYPE, XServerPrivate);
202 x_server_finalize (GObject *object)
204 XServer *self = X_SERVER (object);
206 g_free (self->priv->hostname);
207 g_free (self->priv->address);
208 g_clear_object (&self->priv->authority);
209 if (self->priv->connection)
210 xcb_disconnect (self->priv->connection);
212 G_OBJECT_CLASS (x_server_parent_class)->finalize (object);
216 x_server_class_init (XServerClass *klass)
218 GObjectClass *object_class = G_OBJECT_CLASS (klass);
219 DisplayServerClass *display_server_class = DISPLAY_SERVER_CLASS (klass);
221 display_server_class->get_session_type = x_server_get_session_type;
222 display_server_class->get_can_share = x_server_get_can_share;
223 display_server_class->start = x_server_start;
224 display_server_class->connect_session = x_server_connect_session;
225 display_server_class->disconnect_session = x_server_disconnect_session;
226 object_class->finalize = x_server_finalize;
228 g_type_class_add_private (klass, sizeof (XServerPrivate));